Tips:
Antiquated is often used as a more sophisticated way of commenting on outdated machinery or business methods. Think of the related word antique, which denotes something old. If something is antiquated, it is old and in need of replacement.

Usage Examples:

The company was able to realize immediate efficiency once it replaced its antiquated production facility. (out-of-date, outmoded)

It was amazing that the rundown and antiquated machinery still worked. (archaic, outmoded)

His antiquated marketing ideas don't work in the Internet age. (outdated, old-fashioned)

An antiquated bridge on which trucks and buses were not allowed to travel joined the two towns. (outmoded, archaic)

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